He says his attacker was trying to kill him and must be caught.

The attackers, who were not able to force the door, instead tried to set it on fire and then fled.

The key must, however, be long enough so that an attacker cannot try all possible combinations.

These towers were made to be defended against attackers trying to make their way down and into the city.

They could now see the attackers trying to level a bazooka at them.

The new attackers must try to beat the completion time of the previous team to win the round.

An attacker may try to find out what is, and so be able to use the Patterson algorithm.

Or an attacker may be trying to intercept your communications.

His anticipation proved right and he saw a third attacker trying to escape.

The attackers tried to jump out of the way.